#include <stdio.h>
#include <string.h>
int main()
{ char s1[80],s2[80];
  int i;
  printf("input s2:");
  scanf("%s",s2);
  for (i=0;i<=strlen(s2);i++)
     s1[i]=s2[i];
  printf("s1:%s\n",s1);
  return 0;
 }
